A Novel Study on Using Vietnam Rice Hush Ash and Cullet as Environmental MaterialsPham Trung Kien, Tran Thi Thien Ly, Pham Thi Lan Thanh, Tran Pham Quang Nguyen, Nguyen Hoc Thang and Mohd Mustafa Al Bakri AbdullahMATEC Web Conf., 97 (2017) 01118DOI: https://doi.org/10.1051/matecconf/20179701118